docs: def mosh_args(conn):
      """Create SSH command for connecting specified server."""
      I, = conn.identities
      identity = I.identity_dict
  
      args = []
      if 'port' in identity:
          args += ['-p', identity['port']]
      if 'user' in identity:
          args += [identity['user']+'@'+identity['host']]
      else:
          args += [identity['host']]
  
      return args